5-Bromo-2-(difluoromethyl)-3-fluoropyridine-4-acetonitrile
4-Bromo-3-(difluoromethyl)-6-fluoropyridine-2-acetonitrile
4-Bromo-3-(difluoromethyl)-5-fluoropyridine-2-acetonitrile
4-Bromo-3-(difluoromethyl)-2-fluoropyridine-5-acetonitrile
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